Drawing head for a drawing machine



FIG. 1 is a top perspective view, the broken line showing of partially disclosed straight edges and drafting board are for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a plan view of one side;

FIG. 5 is a plan view of the other side;

FIG. 6 is an end view; and,

FIG. 7 is a front view. 

The ornamental design for a drawing head for a drawing machine, as shown. 